@article{weko_15022_1,
   author	 = "飯田,仁 and 有田,英一",
   title	 = "4階層プラン認識モデルを使った対話の理解",
   journal	 = "情報処理学会論文誌",
   year 	 = "1990",
   volume	 = "31",
   number	 = "6",
   pages	 = "810--821",
   month	 = "jun"
}